Questions in mathematics

Questions in mathematics

[Done] Laura jumped 2.3 meters in the high jump. Lucy jumped 20% lower. How high was Laura's jump?

[Done] Find the LCM of the set of polynomials: \[4m^3p, \ 9mp^4, \ 18m^4p^2\]

[Done] Julia has $80. She wants to purchase a nail paint set for $16 and earrings. She spends the rest of the money on earrings. Each pair of earrings costs $8. Write an inequality for the number of pairs of earrings she can purchase.

[Done] What is the cosine of 135 degrees?

[Done] Arnold had $1.70 in dimes and quarters. He had 3 more dimes than quarters. How many of each coin did he have?

[Done] How do you classify the slope of a line?

[Done] A loan of $900 will be repaid in 36 installment payments of $30.22 each. What is the finance charge for the loan?

[Done] Solve the equation: \[ 2\sin x \cos x + \cos x = 0 \] Could you help?

[Done] What is the cosine of 300 degrees?

[Done] Anthony made 6 bouquets. If he used \(\frac{3}{4}\) of a bunch of flowers for each bouquet, how many flower bunches did he need?